
/**
 * showMyself:自我介绍
 * @param {string} name 姓名
 * @param {number} age 年龄
 * @param {string} msg 信息
 */
function showMyself (name = 'zyd', age = 18, msg = '') {
  return `${name}的年龄是${age}，${msg}`
}

const info = showMyself()